Finding the Third Proportional to 166,843 and 393,681.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,843 : 393,681.50 = 393,681.50 : x
2. Step 2: Convert to fraction form
   166,843/393,681.50 = 393,681.50/x
3. Step 3: Cross multiply
   166,843x = 393,681.50 × 393,681.50
4. Step 4: Simplify right side
   166,843x = 154,985,123,442.25
5. Step 5: Solve for x
   x = 154,985,123,442.25/166,843
6. Step 6: Final answer
   x = 928,927.93